Power system
Motor GWS B Indoor Power System
Battery initially 8 x 50mah NiCd
now 7 x 250mah NiCd or 2 x 700mah Li-ion
Propeller Graupner GWS 9" x 4.7"

Performance
Thrust to weight ratio approx 1:1 on 8 cells
Typical duration over 5 minutes (on 250mah cells)